/* ========== 数据与隐私页 ========== */
.page-privacy {
  --privacy-toc-width: 250px;
  --privacy-text: #3a3a36;
  --privacy-muted: #5a5548;
  background: var(--c-rice);
  color: var(--privacy-text);
}

/* --- Hero --- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-plateau);
  color: var(--c-snow);
  padding: 3rem 0 3.25rem;
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.3;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(115deg, rgba(27, 54, 93, 0.94) 0%, rgba(27, 54, 93, 0.72) 55%, rgba(27, 54, 93, 0.38) 100%);
}

.page-privacy .privacy-hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--padding-inline);
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 992px) {
  .page-privacy .privacy-hero__content {
    max-width: 780px;
    margin-left: calc((100% - var(--container)) / 2 + var(--padding-inline));
    margin-right: auto;
  }
}

.page-privacy .privacy-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  color: var(--c-yellow);
  text-transform: uppercase;
  margin: 0 0 0.9rem;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.4vw, 3.1rem);
  line-height: 1.18;
  margin: 0 0 1.1rem;
  color: var(--c-snow);
  letter-spacing: 0.01em;
}

.page-privacy .privacy-hero__lead {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.85);
  margin: 0 0 1.6rem;
  max-width: 42em;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
}

.page-privacy .privacy-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.85rem;
  border: 1px solid rgba(244, 241, 232, 0.22);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(244, 241, 232, 0.78);
}

.page-privacy .privacy-tag__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-green);
  flex: none;
}

/* --- 主体布局 --- */
.page-privacy .privacy-layout {
  display: grid;
  gap: 2rem;
  padding-top: 2.5rem;
  padding-bottom: 3.5rem;
}

/* --- 粘性目录 --- */
.page-privacy .privacy-toc {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--c-snow);
  padding: 1.3rem 1.3rem 1.1rem;
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-toc__label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-stone);
  margin: 0;
}

.page-privacy .privacy-toc__label::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--c-red);
  flex: none;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0.9rem 0 0.5rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-privacy .privacy-toc__item {
  margin: 0;
}

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--c-rice);
  border: 1px solid transparent;
  font-size: var(--text-sm);
  color: var(--c-stone);
  text-decoration: none;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .privacy-toc__link:hover {
  color: var(--c-green);
  border-color: rgba(74, 124, 89, 0.3);
  background: rgba(74, 124, 89, 0.06);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--c-red);
}

.page-privacy .privacy-backtop {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.85rem;
  font-size: var(--text-sm);
  color: var(--c-link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.page-privacy .privacy-backtop:hover {
  border-color: var(--c-link);
}

.page-privacy .privacy-backtop__arrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* --- 内容章节 --- */
.page-privacy .privacy-content {
  min-width: 0;
}

.page-privacy .privacy-section {
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border-subtle);
  scroll-margin-top: calc(var(--header-offset) + 12px);
}

.page-privacy .privacy-section:first-child {
  padding-top: 0;
}

.page-privacy .privacy-section:last-child {
  border-bottom: none;
}

.page-privacy .privacy-section__header {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.page-privacy .privacy-section__index {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-red);
  letter-spacing: 0.06em;
  flex: none;
}

.page-privacy .privacy-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 700;
  color: var(--c-plateau);
  margin: 0;
}

.page-privacy .privacy-section__body p {
  line-height: 1.85;
  color: var(--privacy-text);
  margin-bottom: 1rem;
  font-size: var(--text-base);
}

.page-privacy .privacy-section__body a {
  color: var(--c-link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(42, 107, 138, 0.3);
  transition: text-decoration-color 0.25s var(--ease);
}

.page-privacy .privacy-section__body a:hover {
  text-decoration-color: var(--c-link);
}

.page-privacy .privacy-section__body strong {
  font-weight: 600;
  color: var(--c-plateau);
}

/* 章节背景渐次变化 */
.page-privacy .privacy-section--collection {
  background: linear-gradient(180deg, rgba(228, 168, 29, 0.045) 0%, transparent 100%);
}

.page-privacy .privacy-section--storage {
  background: linear-gradient(180deg, transparent 0%, rgba(139, 125, 107, 0.07) 40%, rgba(139, 125, 107, 0.04) 100%);
}

.page-privacy .privacy-section--rights {
  background: linear-gradient(180deg, rgba(74, 124, 89, 0.045) 0%, transparent 100%);
}

/* --- 列表 --- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.4rem;
  margin-bottom: 0.4rem;
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--privacy-text);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-green);
}

.page-privacy .privacy-list .privacy-highlight {
  font-weight: 600;
}

/* --- 高亮 --- */
.page-privacy .privacy-highlight {
  color: var(--c-green);
  font-weight: 600;
}

/* --- 引用 --- */
.page-privacy .privacy-quote {
  margin: 2rem 0 1.5rem;
  padding: 1.25rem 1.75rem;
  background: var(--c-snow);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--c-moss);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-privacy .privacy-quote p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--c-moss);
  line-height: 1.7;
}

/* --- 卡片 --- */
.page-privacy .privacy-card-grid {
  display: grid;
  gap: 1.25rem;
  margin: 1.75rem 0;
}

.page-privacy .privacy-card {
  background: var(--c-snow);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-soft);
  margin: 0;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-privacy .privacy-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.page-privacy .privacy-card__icon {
  width: 42px;
  height: 42px;
  color: var(--c-moss);
  margin-bottom: 0.9rem;
  display: block;
}

.page-privacy .privacy-card h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-plateau);
}

.page-privacy .privacy-card p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--privacy-muted);
  line-height: 1.75;
}

/* --- 折叠明细 --- */
.page-privacy .privacy-details {
  margin: 1.75rem 0 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--c-snow);
  overflow: hidden;
}

.page-privacy .privacy-details__summary {
  cursor: pointer;
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--c-plateau);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s var(--ease);
  user-select: none;
}

.page-privacy .privacy-details__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-details__summary::before {
  content: "＋";
  color: var(--c-green);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.page-privacy .privacy-details[open] .privacy-details__summary::before {
  content: "−";
  color: var(--c-red);
}

.page-privacy .privacy-details__summary:hover {
  color: var(--c-green);
}

.page-privacy .privacy-details__content {
  padding: 1rem 1.25rem 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.page-privacy .privacy-details__content p {
  font-size: var(--text-sm);
  color: var(--privacy-muted);
  margin: 0.75rem 0 0;
  line-height: 1.8;
}

.page-privacy .privacy-details__content p:first-child {
  margin-top: 0.75rem;
}

/* --- 底部联系区 --- */
.page-privacy .privacy-reach {
  background: var(--c-plateau);
  color: var(--c-snow);
  margin-top: 1rem;
  padding: 3.25rem 0;
}

.page-privacy .privacy-reach__grid {
  display: grid;
  gap: 2rem;
}

.page-privacy .privacy-reach h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--c-snow);
  margin: 0 0 0.8rem;
}

.page-privacy .privacy-reach p {
  color: rgba(244, 241, 232, 0.75);
  font-size: var(--text-base);
  line-height: 1.8;
  margin: 0 0 0.8rem;
}

.page-privacy .privacy-reach__icp {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--c-yellow) !important;
  letter-spacing: 0.04em;
  margin-top: 1rem;
}

.page-privacy .privacy-reach__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-privacy .privacy-reach .btn-outline {
  border: 1px solid rgba(244, 241, 232, 0.35);
  color: var(--c-snow);
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-pill);
  text-decoration: none;
  background: transparent;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-privacy .privacy-reach .btn-outline:hover {
  border-color: var(--c-yellow);
  color: var(--c-yellow);
  background: rgba(228, 168, 29, 0.08);
}

/* --- 平板及以上 --- */
@media (min-width: 640px) {
  .page-privacy .privacy-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .privacy-reach__grid {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* --- 桌面端 --- */
@media (min-width: 992px) {
  .page-privacy .privacy-hero {
    padding: 4.5rem 0 4.75rem;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-toc-width) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
    padding-top: 3rem;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: var(--header-offset);
  }

  .page-privacy .privacy-toc__list {
    display: block;
    margin-top: 1.1rem;
  }

  .page-privacy .privacy-toc__item {
    margin-bottom: 0.2rem;
  }

  .page-privacy .privacy-toc__link {
    display: flex;
    width: 100%;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    background: transparent;
    border-left: 2px solid transparent;
  }

  .page-privacy .privacy-toc__link:hover {
    background: rgba(74, 124, 89, 0.07);
    border-left-color: var(--c-green);
  }

  .page-privacy .privacy-section {
    padding: 2.75rem 0;
  }
}

/* --- 减少动效 --- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-card,
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-reach .btn-outline,
  .page-privacy .privacy-section__body a {
    transition: none;
  }
}